25330132242 has 80 divisors (see below), whose sum is σ = 57632807232. Its totient is φ = 8314215840.

The previous prime is 25330132241. The next prime is 25330132259. The reversal of 25330132242 is 24223103352.

25330132242 is a `hidden beast` number, since 2 + 5 + 330 + 1 + 322 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25330132241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3015973 + ... + 3024359.

Almost surely, 2^25330132242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25330132242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28816403616).

25330132242 is an abundant number, since it is smaller than the sum of its proper divisors (32302674990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25330132242 is a wasteful number, since it uses less digits than its factorization.

25330132242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685 (or 8676 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 25330132242 its reverse (24223103352), we get a palindrome (49553235594).

The spelling of 25330132242 in words is "twenty-five billion, three hundred thirty million, one hundred thirty-two thousand, two hundred forty-two".